US Bridges

39th Avenue over Creek

Fair

Morton County, North Dakota · 1 South of Judson · Structure no. 000000030139121

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
150
2018 count
Owner
County
County Highway Agency

About this bridge

39th Avenue over Creek is a concrete channel beam carrying 39th Avenue over Creek in Morton County, North Dakota. It was built in 1962, so it is 63 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2038. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
Carries39th Avenue
CrossesCreek
Location1 South of Judson
RouteCounty Highway 3039
CountyMorton County
StateNorth Dakota
Coordinates46.81022, -101.28093
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2018)
Projected traffic300 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 39th Avenue over Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is 39th Avenue over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does 39th Avenue over Creek carry?

About 150 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is 39th Avenue over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns 39th Avenue over Creek?

It is owned by the County Highway Agency.